send string on dmd display using serially in arduino uno

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I'm trying send data of 255 bytes serially in arduino and displayed on p10 module.
i have connected 25 p10 module serially.
i have receive data 255bytes in serial monitor,but on p10 module display not shows data.
if i selected display across 11 then it shows data.

so, please help me to solve this problem.

i have attach code.

_11_DMD_STATIC_MSG_OK.ino (966 Bytes)

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